Footwear sole



FIG. 1 is a bottom, right perspective view of a footwear sole according to my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view of a mirror image embodiment of the design of FIG. 1, this embodiment of the design also having views that are mirror images of the views shown in FIGS. 1 and 3-7; and,

FIG. 9 is a bottom view of the design of FIG. 1 shown alongside mirror image environment.

The broken line representations in the figures show unclaimed environment or boundaries, and thus form no part of the claimed design. 

CLAIM The ornamental design for a footwear sole, as shown and described. 